Refactor display initialization and update configuration for improved stability in Cat Medication Tracker

esphome/cat-medication-tracker.yaml

@@ -8,12 +8,6 @@ esphome:
   on_boot:
     priority: 100
     then:
-      - light.turn_on:
-          id: backlight
-          brightness: 100%
-      - delay: 300ms
-      - light.turn_off: backlight
-      - delay: 300ms
       - light.turn_on: backlight
       - delay: 300ms
       - component.update: my_display
@@ -70,7 +64,7 @@ display:
     cs_pin: GPIO15
     dc_pin: GPIO2
     reset_pin: GPIO4
-    # rotation: 0  # Commenting out; overriding MADCTL manually below for better compatibility
+    rotation: 0
     invert_colors: true
     color_order: bgr
     data_rate: 10MHz          # Reduced from 20MHz to improve stability
@@ -80,13 +74,9 @@ display:
     id: my_display
     auto_clear_enabled: false
     update_interval: 2s
-    color_depth: 18           # Key fix: align with 0x3A 0x66 (18-bit mode)
+    color_depth: 16
     buffer_size: 25%
     lambda: |-
-      // Quick test: fill entire screen bright red to confirm display is alive
-      // Comment out once working
-      it.fill(Color(255, 0, 0));
-
       // Colors
       auto red = Color(255, 0, 0);
       auto green = Color(0, 200, 0);
@@ -95,10 +85,6 @@ display:
       auto black = Color(0, 0, 0);
       auto dark_grey = Color(80, 80, 80);
 
-      // Force common MADCTL for portrait (try 0x28, 0x48, 0x68, 0x98 if still wrong orientation)
-      it.command(0x36);
-      it.data(0x28);  // ← Try this first; change to 0x48 / 0x68 etc. if upside-down/mirrored
-
       // Fill background
       it.fill(light_grey);
 
@@ -147,6 +133,7 @@ display:
       it.filled_rectangle(reset_x, reset_y, reset_w, reset_h, dark_grey);
       it.rectangle(reset_x, reset_y, reset_w, reset_h, black);
       it.printf(reset_x + reset_w/2, reset_y + reset_h/2, id(status_font), white, TextAlign::CENTER, "RESET");
+
 # XPT2046 Touchscreen
 touchscreen:
   - platform: xpt2046